SIB1856.0 - BIS(TRIMETHYLSILYL)CARBODIIMIDE

BIS(TRIMETHYLSILYL)CARBODIIMIDE Safety Data Sheet SIB1856.0 Date of issue: 09/17/2015 Version: 1.0

SECTION 1: Identification of the substance/mixture and of the company/undertaking

1.1. Product identifier Product form : Substance Physical state : Liquid

Substance name : BIS(TRIMETHYLSILYL)CARBODIIMIDE Product code : SIB1856.0 Formula : C7H18N2Si2 Synonyms : BIS(TRIMETHYLSILYLIMINO)METHANE; N,N'-METHANETETRAYLBIS[1,1,1- TRIMETHYLSILYLAMINE] Chemical family : ORGANOSILANE

1.2. Relevant identified uses of the substance or mixture and uses advised against Use of the substance/mixture : Chemical intermediate For research and industrial use only

1.3. Details of the supplier of the safety data sheet GELEST, INC. 11 East Steel Road Morrisville, PA 19067 USA T 215-547-1015 - F 215-547-2484 - (M-F): 8:00 AM - 5:30 PM EST [email protected] - www.gelest.com

1.4. Emergency telephone number Emergency number : CHEMTREC: 1-800-424-9300 (USA); +1 703-527-3887 (International)

SECTION 2: Hazards identification

2.1. Classification of the substance or mixture Classification (GHS-US) Flam. Liq. 3 H226 Acute Tox. 4 (Oral) H302 Skin Irrit. 2 H315 Eye Irrit. 2A H319

Full text of H-phrases: see section 16

2.2. Label elements GHS-US labeling Hazard pictograms (GHS-US) :

GHS02 GHS07 Signal word (GHS-US) : Warning Hazard statements (GHS-US) : H226 - Flammable liquid and vapor H302 - Harmful if swallowed H315 - Causes skin irritation H319 - Causes serious eye irritation Precautionary statements (GHS-US) : P280 - Wear protective gloves/protective clothing/eye protection/face protection P210 - Keep away from heat, open flames, sparks. - No smoking P233 - Keep container tightly closed P240 - Ground/bond container and receiving equipment P241 - Use explosion-proof electrical equipment P242 - Use only non-sparking tools P243 - Take precautionary measures against static discharge P264 - Wash hands thoroughly after handling P270 - Do not eat, drink or smoke when using this product P330 - Rinse mouth P301+P312 - If swallowed: Call a doctor if you feel unwell P303+P361+P353 - If on skin (or hair): take off immediately all contaminated clothing. rinse skin with water/shower P332+P313 - If skin irritation occurs: Get medical advice/attention P305+P351+P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove 09/17/2015 EN (English US) SDS ID: SIB1856.0 Page 1

BIS(TRIMETHYLSILYL)CARBODIIMIDE Safety Data Sheet

contact lenses, if present and easy to do. Continue rinsing P337+P313 - If eye irritation persists: Get medical advice/attention P321 - Specific treatment (see first aid instructions on this label) P362+P364 - Take off contaminated clothing and wash it before reuse P370+P378 - In case of fire: Use water spray, foam, carbon dioxide, dry chemical to extinguish P403+P235 - Keep in a cool place P501 - Dispose of contents/container to licensed waste disposal facility.

2.3. Other hazards No additional information available 2.4. Unknown acute toxicity (GHS US) No data available SECTION 3: Composition/information on ingredients

3.1. Substance Substance type : Mono-constituent Name : BIS(TRIMETHYLSILYL)CARBODIIMIDE CAS No : 1000-70-0 EC no : 213-673-2

Name Product identifier % Classification (GHS-US) Bis(trimethylsilyl)carbodiimide (CAS No) 1000-70-0 95 - Flam. Liq. 3, H226 100 Acute Tox. 4 (Oral), H302 Skin Irrit. 2, H315 Eye Irrit. 2A, H319

3.2. Mixture Not applicable SECTION 4: First aid measures

4.1. Description of first aid measures First-aid measures general : Remove contaminated clothing and shoes. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). If possible show this sheet; if not available show packaging or label. IF exposed or concerned: Get medical advice/attention. First-aid measures after inhalation : Remove victim to fresh air and keep at rest in a position comfortable for breathing. If you feel unwell, seek medical advice. First-aid measures after skin contact : Wash with plenty of soap and water. Get medical advice/attention. First-aid measures after eye contact : Immediately flush eyes thoroughly with water for at least 15 minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Get medical advice/attention. First-aid measures after ingestion : Never give anything by mouth to an unconscious person. Get medical advice/attention.

4.2. Most important symptoms and effects, both acute and delayed Symptoms/injuries after inhalation : May cause irritation to the respiratory tract. Symptoms/injuries after skin contact : Causes skin irritation. Symptoms/injuries after eye contact : Causes serious eye irritation. Symptoms/injuries after ingestion : Harmful if swallowed. Swallowing a small quantity of this material will result in serious health hazard.

4.3. Indication of any immediate medical attention and special treatment needed No additional information available SECTION 5: Firefighting measures

5.1. Extinguishing media Suitable extinguishing media : Water spray. Foam. Carbon dioxide. Dry chemical. Unsuitable extinguishing media : Do not use straight streams.

5.2. Special hazards arising from the substance or mixture Fire hazard : Flammable liquid and vapor. Irritating fumes and organic acid vapors may develop when material is exposed to elevated temperatures or open flame.

5.3. Advice for firefighters Firefighting instructions : Use water spray to cool exposed surfaces. Exercise caution when fighting any chemical fire. Protection during firefighting : Do not enter fire area without proper protective equipment, including respiratory protection. Avoid all eye and skin contact and do not breathe vapor and mist.

SECTION 6: Accidental release measures

6.1. Personal precautions, protective equipment and emergency procedures General measures : Eliminate ignition sources. Use special care to avoid static electric charges.

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BIS(TRIMETHYLSILYL)CARBODIIMIDE Safety Data Sheet

6.1.1. For non-emergency personnel Protective equipment : Wear protective equipment as described in Section 8. Emergency procedures : Evacuate unnecessary personnel.

6.1.2. For emergency responders Protective equipment : Do not attempt to take action without suitable protective equipment. Equip cleanup crew with proper protection. For further information refer to section 8: "Exposure controls/personal protection".

6.2. Environmental precautions Prevent entry to sewers and public waters. Notify authorities if liquid enters sewers or public waters.

6.3. Methods and material for containment and cleaning up For containment : Contain any spills with dikes or absorbents to prevent migration and entry into sewers or streams. Methods for cleaning up : Clean up any spills as soon as possible, using an absorbent material to collect it. Sweep or shovel spills into appropriate container for disposal. Use only non-sparking tools.

6.4. Reference to other sections See Heading 8. Exposure controls and personal protection. SECTION 7: Handling and storage

7.1. Precautions for safe handling Additional hazards when processed : Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Precautions for safe handling : Avoid all eye and skin contact and do not breathe vapor and mist. Provide good ventilation in process area to prevent accumulation of vapors. Ground/bond container and receiving equipment. Take precautionary measures against static discharge. Use only non-sparking tools. Hygiene measures : Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work. Wash contaminated clothing before reuse.

7.2. Conditions for safe storage, including any incompatibilities Technical measures : Proper grounding procedures to avoid static electricity should be followed. Use explosion-proof electrical equipment. Storage conditions : Keep container tightly closed. Keep in a cool place. Incompatible materials : Acids. Alcohols. Oxidizing agent. Peroxides. Storage area : Store in a well-ventilated place. Store away from heat.

7.3. Specific end use(s) No additional information available SECTION 8: Exposure controls/personal protection

8.1. Control parameters No additional information available

8.2. Exposure controls Appropriate engineering controls : Provide local exhaust or general room ventilation. Personal protective equipment : Avoid all unnecessary exposure. Emergency eye wash fountains and safety showers should be available in the immediate vicinity of any potential exposure.

Hand protection : Neoprene or nitrile rubber gloves. Eye protection : Chemical goggles. Contact lenses should not be worn. Skin and body protection : Wear suitable protective clothing. Respiratory protection : Where exposure through inhalation may occur from use, respiratory protection equipment is recommended. NIOSH-certified combination organic vapor - amine gas (brown cartridge) respirator.

SECTION 9: Physical and chemical properties

9.1. Information on basic physical and chemical properties Physical state : Liquid

Appearance : Clear liquid. Molecular mass : 186.4 g/mol Color : Straw.

Odor : Mild.

Odor threshold : No data available

Refractive index : 1.4351

pH : No data available

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BIS(TRIMETHYLSILYL)CARBODIIMIDE Safety Data Sheet

Relative evaporation rate (butyl acetate=1) : No data available

Melting point : No data available

Freezing point : -23 °C

Boiling point : 164 °C

Flash point : 42 °C

Auto-ignition temperature : No data available

Decomposition temperature : No data available

Flammability (solid, gas) : Flammable liquid and vapor

Vapor pressure : No data available

Relative vapor density at 20 °C : > 1

Relative density : 0.821

VOC content : < 3 % Solubility : Insoluble in water. Reacts with water.

Log Pow : No data available

Log Kow : No data available

Viscosity, kinematic : No data available

Viscosity, dynamic : No data available

Explosive properties : No data available

Oxidizing properties : No data available

Explosion limits : No data available

9.2. Other information No additional information available SECTION 10: Stability and reactivity

10.1. Reactivity No additional information available

10.2. Chemical stability Stable when stored in sealed containers.

10.3. Possibility of hazardous reactions Reacts with water and moisture in air liberating hexamethyldisiloxane (flammable) and carbodiimide. Degrades at temperatures above 80°C.

10.4. Conditions to avoid Heat. Open flame. Sparks.

10.5. Incompatible materials Acids. Alcohols. Oxidizing agent. Peroxides.

10.6. Hazardous decomposition products Acetonitrile. Carbodiimide. Hexamethyldisiloxane. Organic acid vapors. SECTION 11: Toxicological information

11.1. Information on toxicological effects Acute toxicity : Oral: Harmful if swallowed.

BIS(TRIMETHYLSILYL)CARBODIIMIDE (1000-70-0) ATE US (oral) 1728.000 mg/kg body weight

Bis(trimethylsilyl)carbodiimide (1000-70-0) LD50 oral rat 1728 mg/kg ATE US (oral) 1728.000 mg/kg body weight

Skin corrosion/irritation : Causes skin irritation. Serious eye damage/irritation : Causes serious eye irritation. Respiratory or skin sensitization : Not classified Germ cell mutagenicity : Not classified Carcinogenicity : Not classified

Reproductive toxicity : Not classified Specific target organ toxicity (single exposure) : Not classified

Specific target organ toxicity (repeated : Not classified exposure)

Aspiration hazard : Not classified

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BIS(TRIMETHYLSILYL)CARBODIIMIDE Safety Data Sheet

Potential Adverse human health effects and : The hydrolysis product, cyanamide toxicity- oral rat, (LD50: 200mg/kg), is a strong irritant. symptoms Symptoms/injuries after inhalation : May cause irritation to the respiratory tract. Symptoms/injuries after skin contact : Causes skin irritation. Symptoms/injuries after eye contact : Causes serious eye irritation. Symptoms/injuries after ingestion : Harmful if swallowed. Swallowing a small quantity of this material will result in serious health hazard. Reason for classification : Expert judgment

SECTION 12: Ecological information

12.1. Toxicity No additional information available

12.2. Persistence and degradability No additional information available

12.3. Bioaccumulative potential No additional information available

12.4. Mobility in soil No additional information available

12.5. Other adverse effects Other adverse effects : This substance may be hazardous to the environment. Effect on ozone layer : No additional information available Effect on the global warming : No known ecological damage caused by this product.

SECTION 13: Disposal considerations

13.1. Waste treatment methods Sewage disposal recommendations : Do not dispose of waste into sewer. Waste disposal recommendations : May be incinerated. Dispose in a safe manner in accordance with local/national regulations. Dispose of contents/container to licensed waste disposal facility. Ecology - waste materials : Avoid release to the environment.

SECTION 14: Transport information

14.1. UN number UN-No.(DOT) : 1993 DOT NA no. UN1993

14.2. UN proper shipping name Proper Shipping Name (DOT) : Flammable liquids, n.o.s. (BIS(TRIMETHYLSILYL)CARBODIIMIDE) Department of Transportation (DOT) Hazard : 3 - Class 3 - Flammable and combustible liquid 49 CFR 173.120 Classes Hazard labels (DOT) : 3 - Flammable liquid

DOT Symbols : G - Identifies PSN requiring a technical name Packing group (DOT) : III - Minor Danger DOT Packaging Exceptions (49 CFR 173.xxx) : 150 DOT Packaging Non Bulk (49 CFR 173.xxx) : 203 DOT Packaging Bulk (49 CFR 173.xxx) : 242

14.3. Additional information Emergency Response Guide (ERG) Number : 27

Other information : No supplementary information available.

Transport by sea DOT Vessel Stowage Location : A - The material may be stowed ‘‘on deck’’ or ‘‘under deck’’ on a cargo vessel and on a passenger vessel.

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BIS(TRIMETHYLSILYL)CARBODIIMIDE Safety Data Sheet

Air transport DOT Quantity Limitations Passenger aircraft/rail : 60 L (49 CFR 173.27) DOT Quantity Limitations Cargo aircraft only (49 : 220 L CFR 175.75)

SECTION 15: Regulatory information

15.1. US Federal regulations

Bis(trimethylsilyl)carbodiimide (1000-70-0) Listed on the United States TSCA (Toxic Substances Control Act) inventory

15.2. International regulations

Bis(trimethylsilyl)carbodiimide (1000-70-0) Listed on the Canadian NDSL (Non-Domestic Substances List) Listed on the EEC inventory EINECS (European Inventory of Existing Commercial Chemical Substances)

15.3. US State regulations BIS(TRIMETHYLSILYL)CARBODIIMIDE(1000-70-0) U.S. - California - Proposition 65 - Carcinogens List No U.S. - California - Proposition 65 - Developmental No Toxicity U.S. - California - Proposition 65 - Reproductive No Toxicity - Female U.S. - California - Proposition 65 - Reproductive No Toxicity - Male

Bis(trimethylsilyl)carbodiimide (1000-70-0) U.S. - California - U.S. - California - U.S. - California - U.S. - California - No significance risk level Proposition 65 - Proposition 65 - Proposition 65 - Proposition 65 - (NSRL) Carcinogens List Developmental Toxicity Reproductive Toxicity - Reproductive Toxicity - Female Male No No No No

SECTION 16: Other information

Abbreviations and acronyms : Abbreviations: ND: Not Determined, No Data; NA: Not Applicable; LD: Lethal Dose; LC: Lethal Concentration; ATE: Acute Toxicity Estimates; H: hour; °: °C unless otherwise stated; mm: millimeters Hg, torr; PEL: permissible exposure level; TWA: time weighted average; TLV: threshold limit value; TG: Test Guideline; NIOSH: National Institute for Occupational Safety and Health; IARC: International Agency for Research on Cancer; NTP: National Toxicology Program; HMIS: Hazardous Material Information System; CAS No.: Chemcial Abstract Service Registration Number; EC No.: European Commission Registration Number; EC Index No.: European Commission Index Number; OECD: The Organisation for Economic Co-operation and Development.

Full text of H-phrases:: ------Acute Tox. 4 (Oral) Acute toxicity (oral) Category 4 ------Eye Irrit. 2A Serious eye damage/eye irritation Category 2A ------Flam. Liq. 3 Flammable liquids Category 3 ------Skin Irrit. 2 Skin corrosion/irritation Category 2 ------H226 Flammable liquid and vapor ------H302 Harmful if swallowed ------H315 Causes skin irritation ------H319 Causes serious eye irritation

HMIS III Rating Health : 3 Serious Hazard - Major injury likely unless prompt action is taken and medical treatment is given Flammability : 2 Moderate Hazard Physical : 1 Slight Hazard

Prepared by safety and environmental affairs.

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BIS(TRIMETHYLSILYL)CARBODIIMIDE Safety Data Sheet

Date of issue: 09/17/2015 Version: 1.0

SDS US (GHS HazCom 2012) - Custom

According to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations

The information contained in this document has been gathered from reference materials and/or Gelest, Inc. test data and is to the best knowledge and belief of Gelest, Inc. accurate and reliable. Such information is offered solely for your consideration, investigation and verification. It is not suggested or guaranteed that the hazard precautions or procedures described are the only ones which exist. Gelest, Inc. makes no warranties, express or implied, with respect to the use of such information and assumes no responsibility therefore. Information on this safety data sheet is not intended to constitute a basis for product specifications.

© 2015 Gelest Inc. Morrisville, PA 19067

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